On a busy street corner, in the fading light of a crisp autumn day several years ago, I witnessed a truly bizarre scene.
A man was sprawled on the ground, his limbs pinned by the four cops who arrived ahead of me. He was thrashing around, sweating and screaming incoherently, and I realized with a shock that his flailing limbs were actually lifting the four officers off the ground.
The surreal nature of this scene, reminiscent of Frankenstein’s monster rather than a real man, is no longer remarkable. Though at the time I was not aware of the physiological …